[INFO] cloning repository https://github.com/walterbm/tm28
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/walterbm/tm28" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwalterbm%2Ftm28", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwalterbm%2Ftm28'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0bdef27ab416db556f51bdf8871c0df396087b15
[INFO] testing walterbm/tm28 against master#1ddedbaa5919b7b3e70d984660e21e844c615c97 for pr-128400
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwalterbm%2Ftm28" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/walterbm/tm28 on toolchain 1ddedbaa5919b7b3e70d984660e21e844c615c97
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/walterbm/tm28
[INFO] finished tweaking git repo https://github.com/walterbm/tm28
[INFO] tweaked toml for git repo https://github.com/walterbm/tm28 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/walterbm/tm28 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c5870c8ba6c96aa1ba60a626a580e27da116c2e128746e4519bcb92842f16026
[INFO] running `Command { std: "docker" "start" "-a" "c5870c8ba6c96aa1ba60a626a580e27da116c2e128746e4519bcb92842f16026", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5870c8ba6c96aa1ba60a626a580e27da116c2e128746e4519bcb92842f16026", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5870c8ba6c96aa1ba60a626a580e27da116c2e128746e4519bcb92842f16026", kill_on_drop: false }`
[INFO] [stdout] c5870c8ba6c96aa1ba60a626a580e27da116c2e128746e4519bcb92842f16026
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a5bdf000246e43a95ff5547d3eecbb9d21c14916fb17638c6ec12562a026272
[INFO] running `Command { std: "docker" "start" "-a" "5a5bdf000246e43a95ff5547d3eecbb9d21c14916fb17638c6ec12562a026272", kill_on_drop: false }`
[INFO] [stderr]    Compiling tm28 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `opcode`, `z`, and `rcode` are never read
[INFO] [stdout]    --> src/main.rs:157:5
[INFO] [stdout]     |
[INFO] [stdout] 154 | struct DnsHeader {
[INFO] [stdout]     |        --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 157 |     opcode: u8,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 162 |     z: u8,
[INFO] [stdout]     |     ^
[INFO] [stdout] 163 |     rcode: ResultCode,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `DnsHeader` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "5a5bdf000246e43a95ff5547d3eecbb9d21c14916fb17638c6ec12562a026272", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a5bdf000246e43a95ff5547d3eecbb9d21c14916fb17638c6ec12562a026272", kill_on_drop: false }`
[INFO] [stdout] 5a5bdf000246e43a95ff5547d3eecbb9d21c14916fb17638c6ec12562a026272
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fd037630d653759699ab48abcd328560850b4c578c9f08cd6987f5bf74108e6
[INFO] running `Command { std: "docker" "start" "-a" "4fd037630d653759699ab48abcd328560850b4c578c9f08cd6987f5bf74108e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling tm28 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `opcode`, `z`, and `rcode` are never read
[INFO] [stdout]    --> src/main.rs:157:5
[INFO] [stdout]     |
[INFO] [stdout] 154 | struct DnsHeader {
[INFO] [stdout]     |        --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 157 |     opcode: u8,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 162 |     z: u8,
[INFO] [stdout]     |     ^
[INFO] [stdout] 163 |     rcode: ResultCode,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `DnsHeader` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "4fd037630d653759699ab48abcd328560850b4c578c9f08cd6987f5bf74108e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fd037630d653759699ab48abcd328560850b4c578c9f08cd6987f5bf74108e6", kill_on_drop: false }`
[INFO] [stdout] 4fd037630d653759699ab48abcd328560850b4c578c9f08cd6987f5bf74108e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/43350bb778ea1c8cfc2401fb073d810f54e9eae1454b776cb45a26185179d2de/merged: no space left on device
[INFO] testing walterbm/tm28 against try#33f1d8bb92813a1bfc23c093c9f443ab09290307 for pr-128400
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwalterbm%2Ftm28" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/walterbm/tm28 on toolchain 33f1d8bb92813a1bfc23c093c9f443ab09290307
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/walterbm/tm28
[INFO] finished tweaking git repo https://github.com/walterbm/tm28
[INFO] tweaked toml for git repo https://github.com/walterbm/tm28 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/walterbm/tm28 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad16b2e6abfed55a883c28fe9b8a57b2d986136b13292025314a30fb6a440c0c
[INFO] running `Command { std: "docker" "start" "-a" "ad16b2e6abfed55a883c28fe9b8a57b2d986136b13292025314a30fb6a440c0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad16b2e6abfed55a883c28fe9b8a57b2d986136b13292025314a30fb6a440c0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad16b2e6abfed55a883c28fe9b8a57b2d986136b13292025314a30fb6a440c0c", kill_on_drop: false }`
[INFO] [stdout] ad16b2e6abfed55a883c28fe9b8a57b2d986136b13292025314a30fb6a440c0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5379cda638e9598f582fc1d3abaf3f1e0a0bc321eb6e6f2c0394b01bfa271cf9
[INFO] running `Command { std: "docker" "start" "-a" "5379cda638e9598f582fc1d3abaf3f1e0a0bc321eb6e6f2c0394b01bfa271cf9", kill_on_drop: false }`
[INFO] [stderr] error: failed to create directory `/opt/rustwide/target/debug/.fingerprint/tm28-18c7562cdd6252d7`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] running `Command { std: "docker" "inspect" "5379cda638e9598f582fc1d3abaf3f1e0a0bc321eb6e6f2c0394b01bfa271cf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5379cda638e9598f582fc1d3abaf3f1e0a0bc321eb6e6f2c0394b01bfa271cf9", kill_on_drop: false }`
[INFO] [stdout] 5379cda638e9598f582fc1d3abaf3f1e0a0bc321eb6e6f2c0394b01bfa271cf9